JayCee’s famous leak-proof pushrod tubes. These tubes are installed on vw air cooled engines all over the world! With a larger inside than stock, they help clear pushrods from interference. Made from 6061 extruded aluminum and CNC machined, these tubes are the finest made. The kit includes 8 complete two piece tubes, 8 double ground springs, an internal buna o-ring kit and 8 retainer washers.